/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.utils;

import com.google.common.base.Throwables;
import io.airlift.airline.*;
import org.apache.commons.lang3.StringUtils;
import org.apache.iotdb.commons.utils.TestOnly;
import org.apache.iotdb.db.constant.SqlConstant;
import org.apache.iotdb.db.exception.query.QueryProcessException;
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
import org.apache.iotdb.tsfile.utils.Binary;

import java.util.Arrays;
import java.util.List;

@SuppressWarnings("java:S106") // for console outputs
public class CommonUtils {

    private CommonUtils() {
    }

    public static Object parseValue(TSDataType dataType, String value) throws QueryProcessException {
        try {
            if ("null".equals(value) || "NULL".equals(value)) {
                return null;
            }
            switch (dataType) {
                case BOOLEAN:
                    return parseBoolean(value);
                case INT32:
                    try {
                        return Integer.parseInt(StringUtils.trim(value));
                    } catch (NumberFormatException e) {
                        throw new NumberFormatException(
                                "data type is not consistent, input " + value + ", registered " + dataType);
                    }
                case INT64:
                    try {
                        return Long.parseLong(StringUtils.trim(value));
                    } catch (NumberFormatException e) {
                        throw new NumberFormatException(
                                "data type is not consistent, input " + value + ", registered " + dataType);
                    }
                case FLOAT:
                    float f;
                    try {
                        f = Float.parseFloat(value);
                    } catch (NumberFormatException e) {
                        throw new NumberFormatException(
                                "data type is not consistent, input " + value + ", registered " + dataType);
                    }
                    if (Float.isInfinite(f)) {
                        throw new NumberFormatException("The input float value is Infinity");
                    }
                    return f;
                case DOUBLE:
                    double d;
                    try {
                        d = Double.parseDouble(value);
                    } catch (NumberFormatException e) {
                        throw new NumberFormatException(
                                "data type is not consistent, input " + value + ", registered " + dataType);
                    }
                    if (Double.isInfinite(d)) {
                        throw new NumberFormatException("The input double value is Infinity");
                    }
                    return d;
                case TEXT:
                    if ((value.startsWith(SqlConstant.QUOTE) && value.endsWith(SqlConstant.QUOTE))
                            || (value.startsWith(SqlConstant.DQUOTE) && value.endsWith(SqlConstant.DQUOTE))) {
                        if (value.length() == 1) {
                            return new Binary(value);
                        } else {
                            return new Binary(value.substring(1, value.length() - 1));
                        }
                    }

                    return new Binary(value);
                default:
                    throw new QueryProcessException("Unsupported data type:" + dataType);
            }
        } catch (NumberFormatException e) {
            throw new QueryProcessException(e.getMessage());
        }
    }

    public static boolean checkCanCastType(TSDataType src, TSDataType dest) {
        switch (src) {
            case INT32:
                if (dest == TSDataType.INT64 || dest == TSDataType.FLOAT || dest == TSDataType.DOUBLE) {
                    return true;
                }
            case INT64:
                if (dest == TSDataType.DOUBLE) {
                    return true;
                }
            case FLOAT:
                if (dest == TSDataType.DOUBLE) {
                    return true;
                }
        }
        return false;
    }

    public static Object castValue(TSDataType srcDataType, TSDataType destDataType, Object value) {
        switch (srcDataType) {
            case INT32:
                if (destDataType == TSDataType.INT64) {
                    value = (long) ((int) value);
                } else if (destDataType == TSDataType.FLOAT) {
                    value = (float) ((int) value);
                } else if (destDataType == TSDataType.DOUBLE) {
                    value = (double) ((int) value);
                }
                break;
            case INT64:
                if (destDataType == TSDataType.DOUBLE) {
                    value = (double) ((long) value);
                }
                break;
            case FLOAT:
                if (destDataType == TSDataType.DOUBLE) {
                    value = (double) ((float) value);
                }
                break;
        }
        return value;
    }

    public static Object castArray(TSDataType srcDataType, TSDataType destDataType, Object value) {
        switch (srcDataType) {
            case INT32:
                if (destDataType == TSDataType.INT64) {
                    value = Arrays.stream((int[]) value).mapToLong(Long::valueOf).toArray();
                } else if (destDataType == TSDataType.FLOAT) {
                    int[] tmp = (int[]) value;
                    float[] result = new float[tmp.length];
                    for (int i = 0; i < tmp.length; i++) {
                        result[i] = (float) tmp[i];
                    }
                    value = result;
                } else if (destDataType == TSDataType.DOUBLE) {
                    value = Arrays.stream((int[]) value).mapToDouble(Double::valueOf).toArray();
                }
                break;
            case INT64:
                if (destDataType == TSDataType.DOUBLE) {
                    value = Arrays.stream((long[]) value).mapToDouble(Double::valueOf).toArray();
                }
                break;
            case FLOAT:
                if (destDataType == TSDataType.DOUBLE) {
                    float[] tmp = (float[]) value;
                    double[] result = new double[tmp.length];
                    for (int i = 0; i < tmp.length; i++) {
                        result[i] = tmp[i];
                    }
                    value = result;
                }
                break;
        }
        return value;
    }

    @TestOnly
    public static Object parseValueForTest(TSDataType dataType, String value)
            throws QueryProcessException {
        try {
            switch (dataType) {
                case BOOLEAN:
                    return parseBoolean(value);
                case INT32:
                    return Integer.parseInt(value);
                case INT64:
                    return Long.parseLong(value);
                case FLOAT:
                    return Float.parseFloat(value);
                case DOUBLE:
                    return Double.parseDouble(value);
                case TEXT:
                    return new Binary(value);
                default:
                    throw new QueryProcessException("Unsupported data type:" + dataType);
            }
        } catch (NumberFormatException e) {
            throw new QueryProcessException(e.getMessage());
        }
    }

    private static boolean parseBoolean(String value) throws QueryProcessException {
        value = value.toLowerCase();
        if (SqlConstant.BOOLEAN_FALSE_NUM.equals(value) || SqlConstant.BOOLEAN_FALSE.equals(value)) {
            return false;
        }
        if (SqlConstant.BOOLEAN_TRUE_NUM.equals(value) || SqlConstant.BOOLEAN_TRUE.equals(value)) {
            return true;
        }
        throw new QueryProcessException("The BOOLEAN should be true/TRUE, false/FALSE or 0/1");
    }

    public static int runCli(
            List<Class<? extends Runnable>> commands,
            String[] args,
            String cliName,
            String cliDescription) {
        Cli.CliBuilder<Runnable> builder = Cli.builder(cliName);

        builder.withDescription(cliDescription).withDefaultCommand(Help.class).withCommands(commands);

        Cli<Runnable> parser = builder.build();

        int status = 0;
        try {
            Runnable parse = parser.parse(args);
            parse.run();
        } catch (IllegalArgumentException
                | IllegalStateException
                | ParseArgumentsMissingException
                | ParseArgumentsUnexpectedException
                | ParseOptionConversionException
                | ParseOptionMissingException
                | ParseOptionMissingValueException
                | ParseCommandMissingException
                | ParseCommandUnrecognizedException e) {
            badUse(e);
            status = 1;
        } catch (Exception e) {
            err(Throwables.getRootCause(e));
            status = 2;
        }
        return status;
    }

    private static void badUse(Exception e) {
        System.out.println("node-tool: " + e.getMessage());
        System.out.println("See 'node-tool help' or 'node-tool help <command>'.");
    }

    private static void err(Throwable e) {
        System.err.println("error: " + e.getMessage());
        System.err.println("-- StackTrace --");
        System.err.println(Throwables.getStackTraceAsString(e));
    }
}
